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Old 12-09-2014, 05:48 PM   #11
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open the case and silicone everything not associated with air flow. I did this to an old air pump and it made a world of difference. I also have suspended them with a zip tie thumb tacked to the edge of the stand so the pump does not touch anything.
I can't figure out how it opens...


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Old 12-09-2014, 07:40 PM   #12
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I have not opened an air pump in decades. Used to be able to remove the rubber base, pull out and replace the rubber diaphragms, hinges, and valves. Has the design changed much for the newer models?

I would put it in a box with foam. Or get a new pump.


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Old 12-09-2014, 11:19 PM   #13
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I need to silence this air pump somehow and it's so loud that it can be heard on the other side of the house! It's brand new so I doubt it's broken or anything, plus it works very well! Can someone tell me how to modify it or how to build some kind of sound proof box for it? I'm really annoyed with this thing so any help is greatly appreciated.
Oh and on the title I meant too not to.

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Assuming your pump is not rubbing against anything, Vibrating pumps are usually loud due to back pressure. You need to use a gang valve which has at least 1 more valve than you are currently needing. Start with all valves closed. Open up all the valves connected to your objects to slightly higher levels than you want to run then slowly open up the last or unused valve to let the air escape. Open this valve until the pressure to your other objects gets to the levels you want. ( some readjusting may be necessary.) This should not only quiet down the pump but make the pump run more effeciently and make the diaphragms and flappers inside the pump last longer. Try NOT putting anything under the pump as this is where most pumps have their air intakes. If you block those, the noise will be worse.
IF the noise coming from the open valve is too loud for you ( there will be some hissing depending on how open you needed it to be), you can attach a piece of airline tubing and an air stone to that last valve to act as a buffer. Do not put this in the water however. This is just to baffle the sound.

IF this does not remedy your situation, there is a good chance you have too large a pump for what you are using it for. It would then be recommended that you downsize the air pump.

Hope this helps
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Old 12-09-2014, 11:41 PM   #14
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Could it be the airstone is vibrating against the glass, and this is making the noise??

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Old 12-09-2014, 11:49 PM   #15
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I just gave up on my Fusion air pump and turned it off. Luckily I hit the jackpot Thanksgiving week and was given 8 air pumps of varying sizes. There was a large Second Nature Challenger II one that I decided to try. It is large and sits on a thick rubber base. It is quieter than any I have ever owned. I think it is because it sits on such a thick rubber base. Perhaps a piece of solid rubber of some type would help?

PA Pat- I am going to try the silicone thing myself. Great idea.
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Old 12-10-2014, 08:44 AM   #16
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Could it be the airstone is vibrating against the glass, and this is making the noise??

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Maybe....


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Old 12-10-2014, 09:09 AM   #17
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First I'm going to try silencing it from the outside with a sound proof box hidden in a drawer of mine. It's for a pico I'm going to set up soon and I can't continue till I figure out how to get this thing to be quiet. Like a power head will this have to be on at night too? If so I may have to find an alternative besides a power head (a power head would blow the water out of the tank).


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Old 12-10-2014, 10:04 AM   #18
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I can't figure out how it opens...


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screws may be under the label or hidden under stick-on rubber feet.

sitting it on a dry sponge may work also.
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Old 12-10-2014, 10:14 AM   #19
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I'll try to figure it out when I get home. Thanks though!


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Old 12-10-2014, 10:24 AM   #20
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If the pump is new, return it and get one that is quiet. I have used Hagen Elite pumps over the years and they are silent.
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